2636243 has 2 divisors, whose sum is σ = 2636244. Its totient is φ = 2636242.

The previous prime is 2636233. The next prime is 2636251. The reversal of 2636243 is 3426362.

2636243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2636243 - 2⁸ = 2635987 is a prime.

It is not a weakly prime, because it can be changed into another prime (2636203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1318121 + 1318122.

It is an arithmetic number, because the mean of its divisors is an integer number (1318122).

2^2636243 is an apocalyptic number.

2636243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2636243 is an equidigital number, since it uses as much as digits as its factorization.

2636243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 26.

The square root of 2636243 is about 1623.6511324789. The cubic root of 2636243 is about 138.1428717073.

The spelling of 2636243 in words is "two million, six hundred thirty-six thousand, two hundred forty-three".